Summary

Solution

Front View

The Cisco DPC3000 is a DOCSIS 3.0 cable modem. If this modem is used with the Ultimate Internet, only available in limited markets, and a Microsoft operating system other than Vista or Windows 7, the registry keys must be updated to enable maximum speed performance.

After the cable modem has successfully registered on the network, the POWER, DS, US and ONLINE indicators illuminate continuously to indicate that the cable modem is online and fully operational. For more details, refer to the Modem Lights section.

Back View

The Cisco DPC3000 has the following ports available on the back of the modem:

REBOOT - Used to reset the modem.

ETHERNET - Connects to the Ethernet port on your computer.

USB - Connects to the USB port on your computer.

CABLE - Connects to the cable wall outlet.

POWER - Connects the cable modem to the power adapter.

Note: The REBOOT button is for maintenance purposes only. For more details, refer to the Modem Lights section.

Modem Lights

The modem lights indicate the current status of your cable modem. To troubleshoot any connection problems, use the table below.

Modem Light

Status

Problem

Solution

Power

Solid Green

None

N/A

Off

No power

Verify power supply connections and electrical outlet. Also make sure the outlet is not connected to a switch.

DS(Downstream)

Solid Green

None

N/A

Blinking Green

Searching for cable connection

Verify all cable connections and try resetting the modem. If cable is OK and modem reset does not work, contact Customer Support.

US (Upstream)

Solid Green

None

N/A

Blinking Green

Modem is registering with headend. Looking for upstream.

Verify all cable connections and try resetting the modem. If cable is OK and modem reset does not work, contact Customer Support.

Off

Modem is off-line.

Verify all cable connections and try resetting the modem. If cable is OK and modem reset does not work, contact Customer Support.

ONLINE

Solid Green

None

N/A

Off

No connection.

Verify all cable connections and try resetting the modem. If cable is OK and modem reset does not work, contact Customer Support.

LINK

Solid Green

A single device is connected to either the Ethernet or USB port and no data is being sent to or from the modem.

N/A

Blinking Green

A single device is connected to either the Ethernet or USB port and data is being transferred between the PC and the cable modem.

N/A

Off

No devices connected.

Verify all cable connections and try resetting the modem. If cable is OK and modem reset does not work, contact Customer Support.

MAC Address Label

MAC addresses are written as 12 digits containing both letters and numbers (0-9, A-F). A MAC address is unique. The first six characters of the MAC address are unique to the manufacturer of the device.

Manufacturer Resources

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